A rare move by the Supreme Court prevented Alabama from executing prisoner Jeffery Lee with nitrogen gas in June. The state now intends to put him to death by lethal injection, setting up a legal challenge because Lee didn’t choose such a method and the state initially agreed not to use it. ↧ Alabama set to execute Jeffery Lee by lethal injection after nitrog... Lee, 49, was spared execution with nitrogen gas after the Supreme Court intervened. Alabama now plans to use a method he didn’t choose.